考试前我睡不好。然后我由于太疲倦而考不好。的翻译：I couldn't sleep well before the examination. And then I was too tired to study well. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I sleep well before the exam. Since then I was too tired and get good.

I couldn't sleep well before the examination. And then I was too tired to study well.

Before the test I cannot have a good sleep.Then I as a result of too weary test not well.

I could not sleep before the examination. And then I am too tired and poor performance.

I couldn't sleep well before the examination. And then I was too tired to study well.